CN213976817U - Chain and screw synchronous lifter - Google Patents

Abstract

The utility model relates to the technical field of elevators, specifically be a synchronous lift of chain lead screw, including elevating gear, elevating gear includes the lift outrigger, the motor is installed to one side of lift outrigger, motor output shaft's bottom fixedly connected with pair sprocket, the inside all fixedly connected with connecting plates in both sides around of motor, the inside of connecting plate all is provided with the single chain sprocket, the inside of motor is provided with two sets of drive chains, the inside of lift outrigger is provided with the lift slide, the inside of slot all is provided with the rotation lead screw, the inside bottom of slot all is provided with clean mechanism. The utility model discloses under the stable circumstances of assurance, can be comparatively convenient realization raising and lowering functions to can prevent that the dust pollution from blockking up on rotating the lead screw, the user can be convenient dismantle cleanly to first brush-holder stud and second brush-holder stud, can avoid rotating lead screw and rust, smoothness degree when guaranteeing the operation.

Description

Chain and screw synchronous lifter

Technical Field

The utility model relates to the technical field of elevators, specifically be a synchronous lift of chain lead screw.

Background

The elevator is a conveying device for material transportation or personnel transportation, plays an important role in the processes of building construction sites and factory production, and the specification and the load capacity of the elevator are changed according to the needs of users, for example, a chain elevator is one of the representative products in the modern industrial process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous lift of chain lead screw to the chain lift of the present stage that proposes in solving above-mentioned background art relies on hydro-cylinder hydraulic form mostly to go up and down, and its cost is higher, and application scope is comparatively narrow, and in the use, is stopped up by stains such as dust easily problem.

In order to achieve the above object, the utility model provides a following technical scheme: a synchronous lifter with chain and screw rods comprises a lifting device, wherein the lifting device comprises a lifter outer frame, a motor is installed on one side of the lifter outer frame, a duplex chain wheel is fixedly connected to the bottom end of an output shaft of the motor, connecting plates are fixedly connected to the front side and the rear side of the interior of the motor, single chain wheels are arranged inside the connecting plates, two sets of transmission chains are arranged inside the motor, one ends of the two sets of transmission chains are respectively sleeved on the surfaces of the two sets of single chain wheels, the other ends of the two sets of transmission chains are respectively sleeved on the upper end and the lower end of the duplex chain wheel, a lifting slide plate is arranged inside the lifter outer frame, slots are formed in the front side and the rear side of the top end of the lifting slide plate in a penetrating mode, rotating screw rods are arranged inside the slots, the upper end and the lower end of each rotating screw rod extend to the outside of the slots, and the top ends of the rotating screw rods are connected with the inner wall of the top end of the motor through embedded bearings, the bottom end of the rotary screw rod is connected with the top end of the connecting plate through an embedded bearing, the bottom end of the rotary screw rod extends into the connecting plate, the bottom end of the rotary screw rod is fixedly connected with the top end of the single chain sprocket, two groups of linear guide rails are arranged on the front side and the rear side of the lifting sliding plate, a sliding rod is fixedly connected with one side of each linear guide rail, sliding rails matched with the sliding rods are arranged on the surface of the lifting sliding plate, one sides of the sliding rods extend into the sliding rails, nuts are sleeved on the surface of the rotary screw rod, the outer sides of the nuts are fixedly connected with the inner walls of the slots, two groups of bottom plates are arranged in the elevator outer frame, two groups of tensioning plates are fixedly connected with the two sides of the top end of each bottom plate, two groups of tensioning sprockets are arranged on the top end of each bottom plate, and one end of, one side of the tensioning sprocket is provided with two groups of first bolts, one ends of the two groups of first bolts penetrate through one group of tensioning plates and extend to the outside of the other group of tensioning plates, the surfaces of the first bolts are sleeved with pressure springs, one ends of the pressure springs are fixedly connected with one ends of one group of tensioning plates, the other ends of the pressure springs are fixedly connected with one ends of the other group of tensioning plates, one ends of the tensioning sprockets are abutted to the surface of the transmission chain, the bottom ends inside the slots are provided with cleaning mechanisms, each cleaning mechanism comprises a first brush rod, the first brush rods are located on the left side of the rotary screw rod, the right side of the rotary screw rod is provided with a second brush rod, one side of the first brush rod is hinged to one side of the second brush rod, one side of the inner wall of the slide rod is fixedly connected with a fixed block, and the bottom ends of the fixed blocks are provided with screw grooves, the bottom of first brush-holder stud all inserts and is equipped with the second bolt, and the top of second bolt all extends to the inside of thread groove, the jack has all been seted up to one side of second brush-holder stud, one side of first brush-holder stud all is inserted and is equipped with the inserted bar, and the one end of inserted bar all extends to the inside of jack, the both sides of jack inner wall all fixedly connected with kelly, the one end of first brush-holder stud all offsets with the rotation lead screw with the one end of second brush-holder stud, the inside top of slide bar all is provided with lubricating mechanism.

Preferably, both sides of inserted bar are all fixedly connected with slider, the both sides of first brush-holder stud inner wall all seted up with slider matched with spout, the one end of slider all extends to the inside of spout.

Preferably, one end of the clamping rod is arc-shaped, and one end of the inserting rod is arc-shaped.

Preferably, lubricating mechanism includes the oiling case, and the oiling case is two sets of, two sets of the one end of oiling case all with the inner wall fixed connection of slide bar, the screw thread hydraulic fluid port has all been seted up on the top of oiling case, the top of oiling case all is provided with the screw thread oil cap, and the bottom of screw thread oil cap all extends to the inside of screw thread hydraulic fluid port, the bottom of oiling case all fixedly connected with oil outlet pipe, and the oil outlet pipe all communicates with the oiling case mutually.

Preferably, the top of the oil injection tank is provided with a rubber pad, and the top of the rubber pad is fixedly connected with one side of the threaded oil cover.

Preferably, the inside of oil pipe all is provided with the sponge piece, and the edge of sponge piece all with the inner wall fixed connection of oil pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can realize the lifting function conveniently under the condition of ensuring the stability, and can prevent the dust pollution from blocking on the rotating lead screw, the user can conveniently disassemble and clean the first brush rod and the second brush rod, the rusting phenomenon of the rotating lead screw and the screw can be avoided, and the smoothness of the device during operation is ensured;

1. the lifting device and the cleaning mechanism are arranged, the rotating screw rod synchronously rotates through the transmission chain to realize lifting, and the rotating screw rod is wiped through the first brush rod and the second brush rod, so that the lifting function of the device can be conveniently realized under the condition of ensuring stability, the rotating screw rod can be prevented from being blocked by dust pollution, a user can conveniently disassemble and clean the first brush rod and the second brush rod, and the cleaning efficiency of the cleaning mechanism is ensured;

2. through being provided with lubricated mechanism, the user passes through the screw thread with the screw thread oil cap and turns off, with lubricating oil through pouring into in the oiling case, lubricating oil continuously instils into through an oil pipe and rotates between lead screw and the screw to avoid rotating lead screw and screw rusty phenomenon to appear, avoid rotating lead screw and influence the device's normal operation because rust, smoothness degree when guaranteeing the device operation, convenience of customers is to the maintenance of the device.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the rotary screw and the lifting slide plate of the present invention;

fig. 3 is a partially enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic front sectional view of the structure shown at B in fig. 2 according to the present invention;

fig. 5 is a schematic front sectional view of the structure at C in fig. 2 according to the present invention;

fig. 6 is a schematic front sectional view of the structure shown at D in fig. 2 according to the present invention;

fig. 7 is a schematic front sectional view of the structure at E in fig. 2 according to the present invention;

FIG. 8 is a schematic top sectional view of the first and second brush bars of the present invention;

fig. 9 is a schematic front sectional view of the structure of fig. 8 at F according to the present invention;

fig. 10 is a partial front sectional view of the structure of the lubricating mechanism of the present invention;

FIG. 11 is a schematic front view of the structure of the middle plate, the single chain sprocket and the bottom plate of the present invention;

fig. 12 is a schematic top view of a partial structure of the middle bottom plate according to the present invention.

In the figure: 100. a lifting device; 110. an elevator outer frame; 111. a motor; 112. a duplex sprocket; 113. a connecting plate; 114. a single chain sprocket; 115. a drive chain; 116. rotating the screw rod; 117. a lifting slide plate; 118. a linear guide rail; 119. a slide rail; 120. a slide bar; 121. a nut; 122. a base plate; 123. a tension plate; 124. a first bolt; 125. a pressure spring; 126. a tension sprocket; 127. a slot; 200. a cleaning mechanism; 210. a first brush bar; 211. a second brush bar; 212. a fixed block; 213. a screw groove; 214. a second bolt; 215. A jack; 216. inserting a rod; 217. a clamping rod; 300. a lubrication mechanism; 310. injecting an oil tank; 311. A threaded oil port; 312. a threaded oil cap; 313. an oil outlet pipe; 314. a sponge block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides an embodiment:

a synchronous lifter with chain and screw rods comprises a lifting device 100, wherein the lifting device 100 comprises a lifter outer frame 110, a motor 111 is installed on one side of the lifter outer frame 110, a duplex chain wheel 112 is fixedly connected to the bottom end of an output shaft of the motor 111, connecting plates 113 are fixedly connected to the front side and the rear side of the interior of the motor 111, single chain wheel 114 is arranged inside each connecting plate 113, two groups of transmission chains 115 are arranged inside the motor 111, one ends of the two groups of transmission chains 115 are respectively sleeved on the surfaces of the two groups of single chain wheel 114, the other ends of the two groups of transmission chains 115 are respectively sleeved on the upper end and the lower end of the duplex chain wheel 112, a lifting slide plate 117 is arranged inside the lifter outer frame 110, slots 127 are formed in a penetrating manner on the front side and the rear side of the top end of the lifting slide plate 117, a rotating screw rod 116 is arranged inside each slot 127, and the upper end and the lower end of the rotating screw rod 116 extend to the outside the slots 127, the top end of the rotary screw rod 116 is connected with the inner wall of the top end of the motor 111 through an embedded bearing, the bottom end of the rotary screw rod 116 is connected with the top end of the connecting plate 113 through an embedded bearing, the bottom end of the rotary screw rod 116 extends into the connecting plate 113, the bottom end of the rotary screw rod 116 is fixedly connected with the top end of the single chain sprocket 114, two groups of linear guide rails 118 are arranged on the front side and the rear side of the lifting slide plate 117, one side of each linear guide rail 118 is fixedly connected with a slide bar 120, a slide rail 119 matched with the slide bar 120 is arranged on the surface of the lifting slide plate 117, one side of each slide bar 120 extends into the slide rail 119, a screw nut 121 is sleeved on the surface of the rotary screw rod 116, the outer side of the screw nut 121 is fixedly connected with the inner wall of the slot 127, two groups of bottom plates 122 are arranged inside the elevator outer frame 110, two groups of tensioning plates 123 are fixedly connected with the two sides of the top end of the bottom plate 122, and two groups of tensioning sprockets 126 are arranged on the top end of the bottom plate 122, one end of a tension sprocket 126 is fixedly connected with one end of a tension plate 123, one side of the tension sprocket 126 is provided with two groups of first bolts 124, one end of each group of first bolts 124 passes through one group of tension plates 123 and extends to the outside of the other group of tension plates 123, the surface of each first bolt 124 is sleeved with a compression spring 125, one end of each compression spring 125 is fixedly connected with one end of one group of tension plates 123, the other end of each compression spring 125 is fixedly connected with one end of the other group of tension plates 123, one end of each tension sprocket 126 is abutted against the surface of a transmission chain 115, the bottom end inside each slot 127 is provided with a cleaning mechanism 200, each cleaning mechanism 200 comprises a first brush rod 210, each first brush rod 210 is positioned at the left side of a rotating screw rod 116, the right side of the rotating screw rod 116 is provided with a second brush rod 211, one side of each first brush rod 210 is hinged with one side of the second brush rod 211, one side of the inner wall of a sliding rod 120 is fixedly connected with a fixed block 212, the bottom ends of the fixed blocks 212 are all provided with screw grooves 213, the bottom ends of the first brush rods 210 are all inserted with second bolts 214, the top ends of the second bolts 214 all extend to the inside of the screw grooves 213, one side of each second brush rod 211 is provided with an insertion hole 215, one side of each first brush rod 210 is inserted with an insertion rod 216, one end of each insertion rod 216 all extends to the inside of the insertion hole 215, two sides of the inner wall of the insertion hole 215 are all fixedly connected with clamping rods 217, one end of each first brush rod 210 and one end of each second brush rod 211 are all abutted against the rotary screw rod 116, and the top ends of the inside of the slide rods 120 are all provided with lubricating mechanisms 300;

furthermore, both sides of the insertion rod 216 are fixedly connected with sliding blocks, both sides of the inner wall of the first brush rod 210 are provided with sliding grooves matched with the sliding blocks, one ends of the sliding blocks extend into the sliding grooves, the moving track of the insertion rod 216 is limited by the sliding grooves and the sliding blocks, the insertion rod 216 is prevented from deviating in the moving process, and the stability of the insertion rod 216 in fixing the insertion hole 215 is ensured;

furthermore, one end of the clamping rod 217 is arc-shaped, and one end of the inserting rod 216 is arc-shaped, so that the inserting rod 216 can be conveniently inserted into the inserting hole 215 for fixation, the clamping rod 217 is prevented from being blocked due to excessive clamping, and the fault tolerance rate is improved;

further, the lubricating mechanism 300 includes two sets of oil injection tanks 310, one end of each of the two sets of oil injection tanks 310 is fixedly connected to the inner wall of the sliding rod 120, the top ends of the oil injection tanks 310 are all provided with a threaded oil port 311, the top ends of the oil injection tanks 310 are all provided with threaded oil caps 312, the bottom ends of the threaded oil caps 312 extend into the threaded oil ports 311, the bottom ends of the oil injection tanks 310 are all fixedly connected with oil outlet pipes 313, the oil outlet pipes 313 are all communicated with the oil injection tanks 310, a user turns the threaded oil caps 312 away through threads, lubricating oil is poured into the oil injection tanks 310 through the threaded oil ports 311, the lubricating oil is continuously dripped between the rotating screw rod 116 and the screw nut 121 through the oil outlet pipes 313, so as to avoid rusting of the rotating screw rod 116 and the screw nut 121, avoid the normal operation of the device being affected by rusting of the rotating screw rod 116 and the screw nut 121, and ensure the smoothness of the operation of the device, the device is convenient for the user to maintain;

furthermore, the top ends of the oil injection tank 310 are all provided with rubber pads, the top ends of the rubber pads are all fixedly connected with one side of the threaded oil cover 312, the sealing performance of the threaded oil cover 312 on the threaded oil port 311 is improved through the rubber pads, and lubricating oil is prevented from flowing out of the threaded oil port 311 in the moving process of the lifting sliding plate 117;

further, the inside of oil pipe 313 all is provided with sponge piece 314, and the edge of sponge piece 314 all with the inner wall fixed connection of oil pipe 313, slows down the speed that lubricating oil drips through sponge piece 314, avoids lubricating oil to drip too fast and makes the unable even quilt of rotation lead screw 116 daub, guarantees the practicality of lubricated mechanism 300.

The working principle is as follows: the user firstly connects the motor 111 with the external power supply, starts the motor 111, the motor 111 drives the duplex chain wheel 112 to rotate, the duplex chain wheel 112 drives the single chain wheel 114 to rotate through the transmission chain 115, when the transmission chain 115 rotates, the tension sprocket 126 is driven to rotate, the tension sprocket 126 limits the moving track of the transmission chain 115, so that the transmission chain 115 keeps straight, in addition, if vibration occurs during the movement of the transmission chain 115, the tension plate 123 will press the compression spring 125, and by the compression of the compression spring 125, the vibration is buffered, when the single chain sprocket 114 rotates, the rotating screw 116 is driven to rotate, under the action of the screw thread, the rotating screw rod 116 drives the screw nut 121 to move on the surface thereof, the lifting slide plate 117 drives the slide rail 119 to slide on the slide rod 120 of the linear guide rail 118, the moving track of the lifting slide plate 117 is limited by the slide bar 120 and the slide rail 119;

when a user maintains the device, the screw oil cover 312 can be rotated out of the screw oil port 311 through the screw, lubricating oil is poured into the oil filling tank 310 through the screw oil port 311, the lubricating oil falls to the sponge block 314 from the oil outlet pipe 313 and slowly seeps out through the sponge block 314 to drip between the rotary screw 116 and the nut 121, the lifting slide plate 117 can drive the first brush rod 210 and the second brush rod 211 to wipe the surface of the rotary screw 116 in the moving process, dust can be cleaned, the lubricating oil can be uniformly coated on the rotary screw 116 when the lubricating oil is poured, when the first brush rod 210 breaks down and needs maintenance, the user can rotate the second bolt 214 out of the screw groove 213 through the screw, then the insert rod 216 is pulled, the insert rod 216 drives the sliding block to move in the sliding groove, the clamp rod 217 can be bent and deformed, the clamp rod 217 slides over the insert rod 216, and the insert rod 216 can be completely pulled out of the insert rod 216, the second brush rod 211 can be opened through rotation of threads, the first brush rod 210 and the second brush rod 211 are taken down to be cleaned or maintained, then the first brush rod 210 and the second brush rod 211 are wrapped on the rotary screw rod 116, the inserting rod 216 is inserted into the inserting hole 215, the inserting hole 215 extrudes the clamping rod 217, the clamping rod 217 is bent and deformed and gradually slides through the inserting hole 215, when the inserting rod 216 is completely inserted into the inserting hole 215, the clamping rod 217 is rebounded to reset, the inserting rod 216 is clamped and fixed, a user rotates the second bolt 214 into the screw groove 213 through the threads, and fixation is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A synchronous chain-screw lifter comprises a lifting device (100), and is characterized in that: the lifting device (100) comprises a lifting outer frame (110), a motor (111) is installed on one side of the lifting outer frame (110), a duplex chain wheel (112) is fixedly connected to the bottom end of an output shaft of the motor (111), connecting plates (113) are fixedly connected to the front side and the rear side of the interior of the motor (111), single chain wheels (114) are arranged inside the connecting plates (113), two sets of transmission chains (115) are arranged inside the motor (111), one ends of the two sets of transmission chains (115) are respectively sleeved on the surfaces of the two sets of single chain wheels (114), the other ends of the two sets of transmission chains (115) are respectively sleeved at the upper end and the lower end of the duplex chain wheel (112), a lifting sliding plate (117) is arranged inside the lifting outer frame (110), and slots (127) are formed in the front side and the rear side of the top end of the lifting sliding plate (117) in a penetrating manner, the inner part of the slot (127) is provided with a rotary screw rod (116), the upper end and the lower end of the rotary screw rod (116) extend to the outer part of the slot (127), the top end of the rotary screw rod (116) is connected with the inner wall of the top end of the motor (111) through an embedded bearing, the bottom end of the rotary screw rod (116) is connected with the top end of the connecting plate (113) through an embedded bearing, the bottom end of the rotary screw rod (116) extends to the inner part of the connecting plate (113), the bottom end of the rotary screw rod (116) is fixedly connected with the top end of the single chain sprocket (114), the front side and the rear side of the lifting sliding plate (117) are provided with two groups of linear guide rails (118), one side of each linear guide rail (118) is fixedly connected with a sliding rod (120), the surface of the lifting sliding plate (117) is provided with a sliding rail (119) matched with the sliding rod (120), and one side of the sliding rod (120) extends to the inner part of the sliding rail (119), the surface of the rotary screw rod (116) is sleeved with a screw nut (121), the outer side of the screw nut (121) is fixedly connected with the inner wall of a slot (127), two groups of bottom plates (122) are arranged inside the elevator outer frame (110), two groups of tensioning plates (123) are fixedly connected with the two sides of the top end of each bottom plate (122), two groups of tensioning chain wheels (126) are arranged on the top end of each bottom plate (122), one ends of the tensioning chain wheels (126) are fixedly connected with one ends of the tensioning plates (123), one sides of the tensioning chain wheels (126) are provided with two groups of first bolts (124), one ends of the two groups of first bolts (124) penetrate through one group of tensioning plates (123) and extend to the outside of the other group of tensioning plates (123), the surface of each first bolt (124) is sleeved with a pressure spring (125), one end of each pressure spring (125) is fixedly connected with one end of one group of the tensioning plates (123), the other end of pressure spring (125) all with the one end fixed connection of another group's tensioning plate (123), the one end of tensioning sprocket (126) all offsets with the surface of drive chain (115), the inside bottom of slot (127) all is provided with clean mechanism (200), clean mechanism (200) include first brush-holder stud (210), and first brush-holder stud (210) all are located the left side of rotating lead screw (116), the right side of rotating lead screw (116) all is provided with second brush-holder stud (211), one side of first brush-holder stud (210) all articulates with one side of second brush-holder stud (211) and links to each other, one side of slide bar (120) inner wall all fixedly connected with fixed block (212), spiral groove (213) have all been seted up to the bottom of fixed block (212), the bottom of first brush-holder stud (210) all is inserted and is equipped with second bolt (214), and the top of second bolt (214) all extends to the inside of spiral groove (213), jack (215) have all been seted up to one side of second brush-holder stud (211), one side of first brush-holder stud (210) all is inserted and is equipped with inserted bar (216), and the one end of inserted bar (216) all extends to the inside of jack (215), both sides of jack (215) inner wall all fixedly connected with kelly (217), the one end of first brush-holder stud (210) and the one end of second brush-holder stud (211) all with rotate lead screw (116) inconsistent, the inside top of slide bar (120) all is provided with lubricated mechanism (300).

2. The synchronous chain-screw hoist according to claim 1, characterized in that: the both sides of inserted bar (216) all fixedly connected with slider, the both sides of first brush-holder stud (210) inner wall all seted up with slider matched with spout, the one end of slider all extends to the inside of spout.

3. The synchronous chain-screw hoist according to claim 1, characterized in that: one end of the clamping rod (217) is arc-shaped, and one end of the inserting rod (216) is arc-shaped.

4. The synchronous chain-screw hoist according to claim 1, characterized in that: lubricating mechanism (300) are including annotating oil tank (310), and annotate oil tank (310) and be two sets of, two sets of the one end of annotating oil tank (310) all with the inner wall fixed connection of slide bar (120), the top of annotating oil tank (310) has all seted up screw thread hydraulic fluid port (311), the top of annotating oil tank (310) all is provided with screw thread oil cap (312), and the bottom of screw thread oil cap (312) all extends to the inside of screw thread hydraulic fluid port (311), the bottom of annotating oil tank (310) all fixedly connected with goes out oil pipe (313), and goes out oil pipe (313) and all is linked together with annotating oil tank (310).

5. The synchronous chain-screw hoist according to claim 4, characterized in that: the top of the oil injection tank (310) is provided with a rubber pad, and the top of the rubber pad is fixedly connected with one side of the threaded oil cover (312).

6. The synchronous chain-screw hoist according to claim 4, characterized in that: the inside of oil outlet pipe (313) all is provided with sponge piece (314), and the edge of sponge piece (314) all with the inner wall fixed connection of oil outlet pipe (313).

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